Improvement in sheet-metal-lath machine



EDWINMAY, or INDiANAPoL'Is, INDIANA.

Lenm Patent No. 58,972, zaad mi 13, 1869.

MPROVEMENT SHEET-METAIl-LATH-MACHINE.

The Schedule referred to in these Letters Patent and making parl: of the-sama.

To fall zclwm it may concern Be it known that I, EDWIN MAY, of Indianapolis, in the county of `Marion, and State of Indiana, have invented a new and useful Machine for Forming Sheet- Metal Laths for tire-proofing buildings; and I do hereby declare that the following is a full, clear, and exact description thereof, that will enable skilled artisans to make and use the same, reference bei-ng had to the accompanying drawing, and to the letters of reference marked thereon, making part of this specification.

This invention relates to device for forming sheetmetal laths to be used in rendering buildings. tire-proof, having for its object to simplify and lessen the cost of their manufacture, to the end that their application may be rendered morepraoticable, and hencebecome more general; and

It consists in the employment of a fixedjaw anda movable jaw hinged thereto, and having projections and recesses, arranged in such relation to each other, as, when closed upon them, to give strips of sheetmetal the desired form; and

It further consists in thearr'angement and mode of operation of a device connected with the forming-device, by which metal furriug-studs, when desired, may be expeditiously and'conveniently attached to the laths simnltaneously'with giving them the vrequired form.

Figure l is a side elevation of the machine.

Figure 2 is an end view of the same, closed.

Figure 3 is anend view of the same, open.

Figure 4 is a top view of the same, open.

Figure 5 is a rear view of the machine.

Figure 6 isan end view of several laths, as formed by the machine, attached, both with and without the furring-studs, to the under side of floor joists.

Figure 7 represents end, section, and side views of the thrring-stnds.

' Similar letters of reference indicate corresponding parts. in the several figures.

The machine is composed of the fixed jaw A and the movable hinged jaw B, furnished with the moulding projections G O and recesses D D, as shownin figs. 2

and 3, which mould the sheetmetal into the desired form for thev lath.

The movable jaw B is hinged. at E, in the manner shown, so that the projection and recess of -this jaw will separat-e from the projection and recess ofthe xed'jaw, as shown in fig. 3.

When it is designed to use furring-studs, as shown in iig. 6, for holding the laths off-the joists and wall- 'studding, it becomes desirable to attach them to the laths in the vproper places, with the least practicable expenditure of time and labor.

This I accomplish by providing recesses at the required distances apart, as shown at F, fig, 4, and indicated by dotted lines in figs. 1, 2, 3, and 5, to `receive the furring-studs, and opposite these, in themovable jaw, arranging a triangular pointed punch, G, which may be operated by a lever, H, or otherconvenient means, with which to pierce the lath and turn the burr into the small hole in the end of the stud, where it is clinched bydriving the vpunch still further into the stud.

In order to feed the furring-studs into the recesses F, it is designed to place them in an inclined groove in the upper edge of Ajaw A, as indicated by the dotted lines iuiigs. 1, 2, 4, and 5, down .which they will roll, by their own gravity, into the recess opposite the punch.

' The xedjaw A is also furnished with adjustable stops I, upon which the lower edge of the sheet-metal strips, of which the laths are formed, rests, and'is' held in place until clamped by the jaws.

As soon as the jawsl are brought together to form the lath, the punch G is driven through it, andbeing triangular pointed, cuts three burrs that are turned into the small hole in thcend of the stud, which, by forcing the punch still further, clinches the burrs inside ofthe stud, thus securingit to the'laths in a manner sucient to retain it through the vicissitudes of handling and nailing them to the j oists or studding, thus making the application of these metallic furringstuds comparatively inexpensive, so far as relates to th; time and labor required to attach them.

It will be understood, of course, that the mouldingjaws A B are to be made of such length as to form the laths of any desired length, and that the recesses for the studs and the punches for attaching them to the laths will be spaced the proper distance for the joists or studding.

It will be seen from iig. 6, that thelaths are formed so that, -when nailed to the joists Or-fstudS, the side of the lath next to them forms a continuous surface of sheet-metal that serves both to keep the mortar from tween the joists, and that the outer or under surface is such as to hold a suicient quantity of mortar to form a substantial key to hold the plaster..

fl-he peculiar form required for sheet-metal laths to subserve these purposes, renders them diiicult and expensive to manufacture, and, hence, the utility of a machine soconstructed and operating to give them the required form in a simple manner, and with such rapidity as to make them as cheap as practicable.

Having thus fully described my invention,

What I claim as new, and desire to secure by Let-- ters Patent, is-

l. The jaws A B, furnished with the moulding projections and recesses O D, for giving the laths, subset forth.

EDWIN MAY.

Witnesses 0. F. Mxvnnw, WM. H. Wenns. 

